package com.foreknow.oppExer1.exer2;

/**
 * @author shkstart
 * @create 2021-07-28 13:36
 */
public class E {
    public static void main(String[] args) {
        ClassA classA=new ClassA();
        System.out.println(classA.method(4));
        ClassB classB=new ClassB();
        System.out.println(classB.method(5));
    }
}
